diff --git a/Makefile b/Makefile
index 0d4a7c2..ff085ba 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 all:
 	make -C lib/pclsync fs
 	cmake -H./lib/mbedtls -B./lib/mbedtls/build
-	make -C lib/mbedtls
+	make -C lib/mbedtls/build
 	mkdir build
 	cmake -H. -B./build
 	make -C build